Re: Mode, Median, Skewness and Kurtosis in statistics summary?
I do not believe these are available in the statistics summary view. Mode and median would be available via the Aggregate operator, and for skewness or kurtosis you would probably need to run an R script on your data or complete the calculation manually. RapidMiner has never focused on "classical statistics" or distribution fitting or similar aspects of quantitative analysis. There is also a Statistics extension available via https://oldworldcomputing.com/ but I don't think it includes skewness or kurtosis either.